What is the difference between the two signs?

1. Both signs belong to the group of obligatory signs and warn the driver of animals on the road.
2. Correct answer: Sign 146 warns of wild animals in the area. Sign 411 forbids the entry of animals harnessed or un-harnessed.
3. Both signs belong to the information group and warn the driver of animals on the road.
4. Sign 146 forbids the entry of animals harnessed or un-harnessed. 411 warns of wild animals on the road.

WhyThe triangular 146 warns of animals on the road, while the round 411 prohibits entry to animals, harnessed or not. One is a warning sign, the other a ban.